Williamstown to Hong Kong time converter

Hong Kong is 12 hours ahead of Williamstown. When it is 9:00 AM in Williamstown, it is 9:00 PM in Hong Kong.

Williamstown EDT

Wednesday, October 21, 2026

Hong Kong HKT

Wednesday, October 21, 2026

Williamstown
New Jersey, United States
Wed, Oct 21
EDTUTC-4
Hong Kong
Wed, Oct 21
HKTUTC+8+12h
Finding your time zone…
Shared working hours (9:00–18:00)

Williamstown to Hong Kong conversion table

Every hour of today in Williamstown and the matching time in Hong Kong. Light rows are typical working hours (9:00–18:00).

WilliamstownHong Kong
12:00 AM12:00 PM
1:00 AM1:00 PM
2:00 AM2:00 PM
3:00 AM3:00 PM
4:00 AM4:00 PM
5:00 AM5:00 PM
6:00 AM6:00 PM
7:00 AM7:00 PM
8:00 AM8:00 PM
9:00 AM9:00 PM
10:00 AM10:00 PM
11:00 AM11:00 PM
12:00 PM12:00 AM+1 day
1:00 PM1:00 AM+1 day
2:00 PM2:00 AM+1 day
3:00 PM3:00 AM+1 day
4:00 PM4:00 AM+1 day
5:00 PM5:00 AM+1 day
6:00 PM6:00 AM+1 day
7:00 PM7:00 AM+1 day
8:00 PM8:00 AM+1 day
9:00 PM9:00 AM+1 day
10:00 PM10:00 AM+1 day
11:00 PM11:00 AM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Williamstown (9:00 PM – 10:00 PM in Hong Kong): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Williamstown and Hong Kong switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +12h
  • Nov 1, 2026 – Mar 14, 2027: +13h
  • Mar 14, 2027 – Oct 21, 2027: +12h

More conversions

Hong Kong to WilliamstownWilliamstown to New YorkWilliamstown to LondonWilliamstown to Los AngelesWilliamstown to ChicagoWilliamstown to TorontoWilliamstown to São PauloWilliamstown to ParisWilliamstown to BerlinWilliamstown to MoscowWilliamstown to DubaiWilliamstown to New DelhiWilliamstown to Bangkok
New York to Hong KongLondon to Hong KongLos Angeles to Hong KongChicago to Hong KongToronto to Hong KongSão Paulo to Hong KongParis to Hong KongBerlin to Hong KongMoscow to Hong KongDubai to Hong KongNew Delhi to Hong KongBangkok to Hong Kong

Questions and answers

What is the time difference between Williamstown and Hong Kong?

Hong Kong is 12 hours ahead of Williamstown.

What time is it in Hong Kong when it is 9 AM in Williamstown?

When it is 9:00 AM in Williamstown, it is 9:00 PM in Hong Kong.

When is the best time to call Hong Kong from Williamstown?

Working hours don't overlap fully. The closest fit is 9:00 AM – 10:00 AM in Williamstown (9:00 PM – 10:00 PM in Hong Kong): working hours on one side, early or late on the other.

Does the time difference between Williamstown and Hong Kong change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.